(2009). Biology: Concepts & connections. San Francisco: Pearson/Benjamin Cummings.
Dyfyniad Arddull ChicagoBiology: Concepts & Connections. San Francisco: Pearson/Benjamin Cummings, 2009.
Dyfyniad MLABiology: Concepts & Connections. San Francisco: Pearson/Benjamin Cummings, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.